Alkali Metal Ozonides

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Abstract

In the course of studies on the reaction of ozone with anhydrous metal hydroxides, I. A. Kazarnovskii [1, 2] confirmed the formation of red-colored products which had been first reported at the turn of the century by a number of investigators [3, 4, 5]. These products represent a new class of compounds characterized by the presence of the O 3 ion and classified as ozonides. The O 3 ion has an odd number of electrons and, as a result, the ozonides are paramagnetic. They can be considered to be free radicals with high chemical reactivity and an unusally long lifetime. The existence of the O 3 ion in these compounds has been established by x-ray studies [6], magnetic studies [1], electron paramagnetic resonance studies [7–10], and by spectroscopic studies [7].